Home / 105,209.85-157,815.39-35,088.96

Finding the Fourth Proportional to 105,209.85, 157,815.39 and 35,088.96

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Solution

The fourth proportional to 105,209.85, 157,815.39 and 35,088.96 is: 52,633.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,209.85 : 157,815.39 = 35,088.96 : x
  2. Step 2: Convert to fraction form
    105,209.85/157,815.39 = 35,088.96/x
  3. Step 3: Cross multiply
    105,209.85x = 157,815.39 × 35,088.96
  4. Step 4: Simplify right side
    105,209.85x = 5,537,577,907.09
  5. Step 5: Solve for x
    x = 5,537,577,907.09/105,209.85
  6. Step 6: Final answer
    x = 52,633.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.